@charset "utf-8";
/* CSS Document */
div {
  position: relative;
  line-height: 30px;
}

input[type="radio"] {
  width: 20px;
  height: 20px;
  opacity: 0;
}

label {
  position: absolute;
  left: 5px;
  top: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid #999;
}

/*设置选中的input的样式*/
/* + 是兄弟选择器,获取选中后的label元素*/
input:checked+label {
  background-color: #0000ff;
  border: 1px solid #006eb2;
}

input:checked+label::after {
  position: absolute;
  content: "";
  width: 5px;
  height: 10px;
  top: 3px;
  left: 6px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg)
}

